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1????????????15?????????????,?«???????????????????????????????????????(??)????????»,????????,???????????????????,???????????????????????????,???,????,?????1??20?28??,??

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????????????????,???????????6000??,????626.84???,??205.8?????????,??????,?????????,??????????????74%?65%,??????30%???????????34%?

????????,2000????2000-4000??????????4000-6000????10%?52%?108%?

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